[rubygems/rubygems] Fix incompatible encodings error

https://github.com/rubygems/rubygems/commit/d478ec403f

3 files changed, 26 insertions, 5 deletions

diff --git a/lib/bundler/rubygems_ext.rb b/lib/bundler/rubygems_ext.rb
index 01c725b031..54c016adcc 100644
--- a/lib/bundler/rubygems_ext.rb
+++ b/lib/bundler/rubygems_ext.rb
@@ -433,4 +433,18 @@ module Gem
       end
     end
   end
+
+  unless Gem.rubygems_version >= Gem::Version.new("3.5.23")
+    class Package; end
+    require "rubygems/package/tar_reader"
+    require "rubygems/package/tar_reader/entry"
+
+    module FixFullNameEncoding
+      def full_name
+        super.force_encoding(Encoding::UTF_8)
+      end
+    end
+
+    Package::TarReader::Entry.prepend(FixFullNameEncoding)
+  end
 end
diff --git a/lib/rubygems/package/tar_header.rb b/lib/rubygems/package/tar_header.rb
index dd5e835a1e..0ebcbd789d 100644
--- a/lib/rubygems/package/tar_header.rb
+++ b/lib/rubygems/package/tar_header.rb
@@ -228,6 +228,17 @@ class Gem::Package::TarHeader
     @checksum = oct calculate_checksum(header), 6
   end
 
+  ##
+  # Header's full name, including prefix
+
+  def full_name
+    if prefix != ""
+      File.join prefix, name
+    else
+      name
+    end
+  end
+
   private
 
   def calculate_checksum(header)
diff --git a/lib/rubygems/package/tar_reader/entry.rb b/lib/rubygems/package/tar_reader/entry.rb
index 5e9d9af5c6..f837e86fd6 100644
--- a/lib/rubygems/package/tar_reader/entry.rb
+++ b/lib/rubygems/package/tar_reader/entry.rb
@@ -87,11 +87,7 @@ class Gem::Package::TarReader::Entry
   # Full name of the tar entry
 
   def full_name
-    if @header.prefix != ""
-      File.join @header.prefix, @header.name
-    else
-      @header.name
-    end
+    @header.full_name.force_encoding(Encoding::UTF_8)
   rescue ArgumentError => e
     raise unless e.message == "string contains null byte"
     raise Gem::Package::TarInvalidError,